/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#include <sys/stat.h>

#include <fcntl.h>

#include <unistd.h>

#include <stdlib.h>

#include <stdio.h>

#include "jpeg.h"

#define LOG_FILE "c:\\logs\\examples_jpeg_log1.txt"

#include "std_log_result.h"

#define LOG_FILENAME_LINE __FILE__, __LINE__

void create_xml(int result)

{

    if(result)

        assert_failed = 1;

    testResultXml("examples_jpeg");

    close_log_file();

}

/* getfile */

void *getfile (char *path, int *n_bytes);

static void dump_pgm (unsigned char *ptr, int rowstride, int width, int height);

int

main (int argc, char *argv[])

{

  unsigned char *data;

  int len;

  JpegDecoder *dec;

  char *fn = "c:\\data\\liboil\\test.jpg";

  unsigned char *ptr;

  int rowstride;

  int width;

  int height;

  /*if (argc < 2) {

        printf("jpeg_test <file.jpg>\n");

        exit(1);

  }*/

  if (argc > 1)

        fn = argv[1];

  std_log(LOG_FILENAME_LINE, "Test Started examples_jpeg");

  dec = jpeg_decoder_new ();    //to create decoder instance

  data = getfile (fn, &len);

  jpeg_decoder_addbits (dec, data, len);

  jpeg_decoder_decode (dec);

  jpeg_decoder_get_component_ptr (dec, 1, &ptr, &rowstride);

  jpeg_decoder_get_component_size (dec, 1, &width, &height);

  dump_pgm (ptr, rowstride, width, height);

  std_log(LOG_FILENAME_LINE, "Test Successful");

  create_xml(0);

  return 0;

}

/* getfile */

void *

getfile (char *path, int *n_bytes)

{

  int fd;

  struct stat st;

  void *ptr = NULL;

  int ret;

  fd = open (path, O_RDONLY);

  if (!fd)

    return NULL;

  ret = fstat (fd, &st);

  if (ret < 0) {

    close (fd);

    return NULL;

  }

  ptr = malloc (st.st_size);

  if (!ptr) {

    close (fd);

    return NULL;

  }

  ret = read (fd, ptr, st.st_size);

  if (ret != st.st_size) {

    free (ptr);

    close (fd);

    return NULL;

  }

  if (n_bytes)

    *n_bytes = st.st_size;

  close (fd);

  return ptr;

}

static void

dump_pgm (unsigned char *ptr, int rowstride, int width, int height)

{

  int x, y;

  printf ("P2\n");

  printf ("%d %d\n", width, height);

  printf ("255\n");

  for (y = 0; y < height; y++) {

    for (x = 0; x < width; x++) {

      printf ("%d ", ptr[x]);

      if ((x & 15) == 15) {

        printf ("\n");

      }

    }

    printf ("\n");

    ptr += rowstride;

  }

}